On 4/28/2011 3:31 PM, Michal Nazarewicz wrote:
> On Thu, 28 Apr 2011 09:58:17 +0200, Pavankumar Kondeti
> <pkond...@codeaurora.org> wrote:
>
>> Signed-off-by: Pavankumar Kondeti <pkond...@codeaurora.org>
>> ---
>> drivers/usb/gadget/ci13xxx_udc.c | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/usb/gadget/ci13xxx_udc.c
>> b/drivers/usb/gadget/ci13xxx_udc.c
>> index e09178b..6a9ad59 100644
>> --- a/drivers/usb/gadget/ci13xxx_udc.c
>> +++ b/drivers/usb/gadget/ci13xxx_udc.c
>> @@ -1843,7 +1843,7 @@ __releases(mEp->lock)
>> __acquires(mEp->lock)
>> {
>> struct ci13xxx_req *mReq, *mReqTemp;
>> - int retval;
>> + int uninitialized_var(retval);
>> trace("%p", mEp);
>
> Could we instead set it to 0?
>
would it matter anyway? we return -EINVAL if the queue is empty.
Otherwise we assign retval = _hardware_dequeue().
> Also, it seems this function has a bug where it compares retval
> with EBUSY instead of -EBUSY:
>
> if (retval == EBUSY)
> retval = 0;
>
> Just saying in case anyone wants to take care of it.
>
Thanks for pointing this out. I will send out a patch to fix this.
As of now isr_tr_complete_low() return value is simply ignored for
non-control endpoints. We never hit this case for control endpoint.
--
Sent by a consultant of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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